201368455 has 4 divisors (see below), whose sum is σ = 241642152. Its totient is φ = 161094760.

The previous prime is 201368449. The next prime is 201368459. The reversal of 201368455 is 554863102.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-201368455 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201368455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201368459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20136841 + ... + 20136850.

It is an arithmetic number, because the mean of its divisors is an integer number (60410538).

Almost surely, 2^201368455 is an apocalyptic number.

201368455 is a deficient number, since it is larger than the sum of its proper divisors (40273697).

201368455 is an equidigital number, since it uses as much as digits as its factorization.

201368455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40273696.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 201368455 is about 14190.4353351122. The cubic root of 201368455 is about 586.1343126531.

The spelling of 201368455 in words is "two hundred one million, three hundred sixty-eight thousand, four hundred fifty-five".